15 septembre 2013
Platinum, ruby and diamond 'Pyramid' ring, Tiffany & Co.
Platinum, ruby and diamond 'Pyramid' ring, Tiffany & Co. Photo: Sotheby's. Centered by a cushion-cut ruby weighing 5.45 carats, accented by graduated rows of square emerald-cut diamonds weighing .60 carat, size 7½, signed Tiffany & Co. Estimation 50,000...